/*reset css*/
*{
    padding: 0;
    margin: 0;
    -webkit-box-sizing: border-box;
    box-sizing: border-box;
}
::before,
::after{
    padding: 0;
    margin: 0;
    /*需要针对移动设备做设置*/
    -webkit-box-sizing: border-box;
    box-sizing: border-box;
    -webkit-tap-highlight-color:transparent;
}
body{
    font-size: 14px;
    font-family: "microsoft YaHei","sans-serif";/*使用移动端默认的字体*/
    color: #333;
}
a{
    color: #333;
    text-decoration: none;
}
a:hover{
    color: #333;

}
ol,ul{
    list-style: none;
}
input,textarea{
    border: none;
    outline: none;
    resize: none;
    /*但是在移动设备当中 有一些浏览器是会有自己的默认样式*/
    -webkit-appearance: none;
    appearance: none;
}
/*common css*/
.f_right{
    float: right;
}
.f_left{
    float: left;
}
.fl{
    float: left;
}
.fr{
    float: right;
}
.clearfix::before,
.clearfix::after{
    content: "";
    display: block;
    height: 0;
    line-height: 0;
    visibility: hidden;
    clear: both;
}

[class ^= "icon_"]{
    background: url("../images/sprites.png") no-repeat;
    background-size: 200px 200px;
}

.m_l10{
    margin-left: 10px;
}
.m_r10{
    margin-right: 10px;
}
.m_t10{
    margin-top: 10px;
}
.m_b10{
    margin-bottom: 10px;
}
.p_l10{
    padding-left: 10px;
}
.p_r10{
    padding-right: 10px;
}
.p_t10{
    padding-top: 10px;
}
.p_b10{
    padding-bottom: 10px;
}


/*顶部通栏*/
.jd_topBar{
    height: 45px;
    border-bottom: 1px solid #e0e0e0;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    background: url("../images/header-bg.png") repeat-x;
    background-size: 1px 44px;
}
.jd_topBar.static{
    position: static;
}

.jd_topBar [class^='icon_']{
    position: absolute;
    top: 0;
    width: 40px;
    height: 44px;
    padding: 12px 10px;
    background-clip: content-box;
    background-origin:content-box;
}
.jd_topBar .icon_back{
    left: 0;
    background-position:-20px 0;
}
.jd_topBar .icon_menu{
    right: 0;
    background-position:-60px 0;
}

.jd_topBar form{
    width: 100%;
    padding: 0 40px;
}
.jd_topBar form input{
    width: 100%;
    border: 1px solid #ccc;
    border-radius: 4px;
    height: 30px;
    margin-top: 7px;
    padding: 0 5px;
}
.jd_topBar h3{
    text-align: center;
    font-weight: normal;
    line-height: 44px;
}